Four Seasons 36964 Engine Cooling Fan Clutch

Reliable Engine Cooling Fan Clutch for Chevrolet, Ford, and Mercury

The Four Seasons Fan Clutch 36964 is designed to maintain optimal engine temperature by regulating the cooling fan's operation. Engineered for standard duty applications, this aluminum fan clutch is compatible with various Chevrolet, Ford, and Mercury models, including the Bel Air, Bronco, Mustang, and Thunderbird.

• Constructed from durable aluminum for long-lasting performance
• Standard duty, non-electronic fan clutch with flange mounting
• Four bolt holes with 5/16-18 thread for secure installation
• Maximum clutch diameter of 7.2 inches and overall height of 2.98 inches
• Compatible with multiple classic and modern vehicles from Chevrolet, Ford, and Mercury

Four Seasons Fan Clutch Product Line Overview

The Four Seasons Fan Clutch line offers reliable engine cooling components designed to meet or exceed OEM specifications. This product line focuses on standard and thermal fan clutches that provide consistent performance and durability. The 36964 model is a standard duty, non-electronic clutch that fits a range of vehicles requiring precise fan engagement to maintain engine temperature.

Detailed Product Description and Specifications

This engine cooling fan clutch features a flange mounting type with four bolt holes, each threaded 5/16-18, ensuring a secure fit. The clutch has a maximum diameter of 7.2 inches (182.9 mm) and an overall height of 2.98 inches (75.7 mm). The distance from the clutch to the mounting flange is 1.4 inches, with a pilot depth of 0.75 inches and a pilot diameter of 0.63 inches. The clutch operates with standard rotation and is non-electronic, suitable for vehicles that require a mechanical fan clutch. The raw aluminum color reflects its durable construction, and it is performance rated to meet the demands of engine cooling systems.

Common Applications and Problem Solving

• Prevents engine overheating by regulating fan speed
• Reduces unnecessary fan engagement to improve fuel efficiency
• Eliminates fan clutch slippage and noise issues
• Restores proper cooling system function in Chevrolet Bel Air and Ford Mustang models
• Compatible replacement for worn or damaged fan clutches in Mercury Cougar and Ford Bronco

Installation Notes and Tips

Installation requires removal of the existing fan clutch and mounting hardware, which is not included with this part. Ensure the mounting flange and bolt holes align correctly with the vehicle’s fan assembly. Use appropriate torque specifications for the 5/16-18 bolts to secure the clutch. Verify the clutch rotation direction matches the vehicle’s engine requirements. It is recommended to inspect the fan blades and surrounding components during installation for any signs of wear or damage.

Quality Assurance and Warranty Information

The Four Seasons Fan Clutch 36964 is a new, performance-rated part that meets or exceeds OEM standards for durability and function. Manufactured with precision aluminum components, it is designed for reliable operation in standard duty applications. While specific warranty details are not provided, Four Seasons products typically come with manufacturer-backed quality assurance to support long-term use in Chevrolet, Ford, and Mercury vehicles.